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In software engineering, the singleton pattern is a design pattern that is used to restrict instantiation of a class to one object. This is useful when exactly one object is needed to coordinate actions across the system. The concept is sometimes generalized to systems that operate more efficiently when only one object exists, or that restrict the instantiation to a certain number of objects (say, five). Some consider it an anti-pattern, judging that it is overused, introduces unnecessary limitations in situations where a sole instance of a class is not actually required, and introduces global state into an application.

A code-generation tool to work around one of the main limitations of Microsoft's Entity Framework V1 (released as part of .NET Framework 3.5 SP1 and Visual Studio 2008 SP1): lack of support for POCO (Plain Old CLR Object) entity objects -- that is, objects that do not have any persistence awareness programmed in them.

AutoMapper uses a fluent configuration API to define an object-object mapping strategy. AutoMapper uses a convention-based matching algorithm to match up source to destination values.

AutoMapper uses a fluent configuration API to define an object-object mapping strategy. AutoMapper uses a convention-based matching algorithm to match up source to destination values.

AutoMapper uses a fluent configuration API to define an object-object mapping strategy. AutoMapper uses a convention-based matching algorithm to match up source to destination values. It flattens as it maps to make it easy to use for converting your Model into a ViewModule or Data Transfer Object (DTO)..

Doctrine is an object relational mapper (ORM) for PHP 5.2.3+ that sits on top of a powerful database abstraction layer (DBAL). One of its key features is the option to write database queries in a proprietary object oriented SQL dialect called Doctrine Query Language (DQL), inspired by Hibernates HQL. This provides developers with a powerful alternative to SQL that maintains flexibility without requiring unnecessary code duplication.

JSON, short for JavaScript Object Notation, is a lightweight computer data interchange format. It is a text-based, human-readable format for representing simple data structures and associative arrays (called objects). This example illustrates how to declare a JSON Contact structure.

Illuminating insight into the future possibilities of writing apps based on Live Mesh

A new approach to creating scriptable apps: allow your users to use an ordinary PowerShell console to access your application's objects (which are explicitly hosted in another PowerShell runspace) at runtime, including tab expansion and piping objects into and out of your application....

The Sensor and Location .NET Interop Library provides an abstraction of the native Sensor and Location API and strongly typed objects for specific sensors for its Sensor Data Report ... You can create strongly-typed custom sensor objects as well as use the three built-in sensors: Accelerometer3D sensors, Light sensors, and Touch Array sensors.

An old-fashioned language war, 2009 style. Visual Basic even gets a mention as "Lisp-like" (for its debugging.)

Object-Relational Mapping (ORM) is a programming system in which a metadata descriptor is utilized to unite item code to a relational database. Article code is composed in item arranged programming (OOP) languages, for example, Java or C++. ORM changes over information between sort frameworks that are not able to exist together inside social databases and OOP languages.

Compiles PHP to MSIL and now supports using .Net objects from PHP

Repository for Google's C++ and Objective-C style guides

The nursery rhyme looks familiar, but how realistic is it? Smalltalk and Self appear at first glance to be in danger of this kind of horror, especially Smalltalk where every object has a class, yet a Smalltalk statement consists largely of verbs. Yegge seems to have missed an important detail in his analogy - verbs are not functions - they are symbols (selectors) that resolve to a function (method) when they are looked up (depending on ... whatever - Smalltalk the class of the receiver, CLOS the types of the arguments and so on). C and FORTRAN don't have verbs, they just have functions (actions).

Sexy actress Monica Bellucci will not mind if her husband, Vincent Cassel, had an affair sometime in the future. Most importantly, says the mother of two children and Leonie Deva, in a relationship is respect and loyalty that exceeds loyalty.

Dynamic object creation in C# 4.0

Have you ever wondered if objects can be created out of thin air? Yes, they can and 3D printing makes that possible. 3D printing is a process that is used to make 3 dimensional objects. 3D printed objects can be created from plastic, nylon, metal and hundred other various types of material.

I usually try to write these blogposts in a way that is readable for most game developers and enthusiasts, but today for a change I'd like to dive deep into a detail of C++: why sometimes the this pointer can differ even though it is being used within the same object.